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8.1. Organic chemistry Nomenclature of organic compounds — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistry8.1. Organic chemistry Nomenclature of organic compounds1 Mark
MCQ
$IUPAC $ name of $H - \mathop {\mathop {\mathop {\mathop C\limits^| }\limits^H }\limits_| }\limits_H - \mathop {\mathop {\mathop {\mathop C\limits^| }\limits^{Cl} }\limits_| }\limits_H - Cl$ is
  • A
    $1, 2-$ dichloroethane
  • B
    $2, 2-$ dichloroethane
  • ✓
    $1, 1-$ dichloroethane
  • D
    Dichloroethane
✓

Answer

Correct option: C.
$1, 1-$ dichloroethane
c
The numbering of carbon chain is done from the carbon which is having two chlorine atoms.

The parent alkane containing two carbon atoms is called as ethane and hence the IUPAC name of this compound is $1,1$-Dichloroethane.

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